OPT&reg; Brand. 5x4oz UV dye refill ink set for Epson 220 T220 XL T220XL WF-2630 WF-2650 WF-2660 2630 2650 2660 CISS CIS. Free Shipping From New York. OPT Brand. Free shipping from New York. Suitable for Continuous Ink Supply Systems and Refillable Ink Cartridges. ISO9001 quality and production certificate. Excellent print effect, as good as originals. Stable performance without color fade. Lessens impact on landfills. 100% satisfaction guarantee. Package includes: Two Bottles 100ML Black Ink, One Bottle 100ML Cyan Ink, One Bottle 100ML Magenta Ink, One Bottle 100ML Yellow Ink, 1 syringe, and refill instruction.